title: (E)-1-(3-Formyl-phen-yl)-2-(2-oxidonaphthalen-1-yl)diazen-1-ium.
abstract: In the title zwitterion, C17H12N2O2, the dihedral angle between the benzene ring and naphthalene ring system is 11.76 (7)° and an intra-molecular N-H⋯O hydrogen bond exists. In the crystal, molecules are linked via pairs of C-H⋯O hydrogen bonds, forming inversion dimers.
authors.affiliation: Unité de recherche de Chimie de l'Environnement, et Moléculaire Structurale, Faculté du sciences exactes, Université de Constantine 1, 25000 Constantine, Algeria.
authors.forename: Assia
authors.initials: A
authors.lastname: Mili
authors.forename: Ali
authors.initials: A
authors.lastname: Benosmane
authors.forename: Mohamed Amine
authors.initials: MA
authors.lastname: Benaouida
authors.forename: Abdelkader
authors.initials: A
authors.lastname: Bouchoul
authors.forename: Salah Eddine
authors.initials: SE
authors.lastname: Bouaoud